<span>D. Although designing shoes is hard work, it will pay off in the end</span>
Can u add an image of passage?
Where is it from I need more info
I would say c, tending or serving to provoke; inciting.
The sentence B contains an error. It should be: The walls or the ceiling is going to be painted beige. The rule is that when there is an "or" in the sentence, the verb is directed by the noun closer to it.